Architecture, Building and Planning - Research Publications
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ItemA holistic model for designing and optimising sustainable prefabricated modular buildings(University of Moratuwa, 2012)
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ItemTime-efficient post-disaster housing reconstruction with prefabricated modular structures(Open House International Association, 2014-09-01)With many natural disasters such as earthquakes, cyclones, bushfires and tsunamis destroying human habitats around the world, post-disaster housing reconstruction has become a critical topic. The current practice of post-disaster recon- struction consists of various approaches that carry affected homeowners from temporary shelters to permanent hous- ing. While temporary shelters may be provided within a matter of days as immediate disaster relief, permanent hous- ing can take years to complete. However, time is critical, as affected communities will need to restore their livelihoods as soon as possible. Prefabricated modular construction has the potential to drastically improve the time taken to pro- vide permanent housing. Due to this time-efficiency, which is an inherent characteristic of modular construction, it can be a desirable strategy for post-disaster housing reconstruction. This paper discusses how prefabricated modular struc- tures can provide a more time-efficient solution by analysing several present-day examples taken from published post- disaster housing reconstruction processes that have been carried out in different parts of the world. It also evaluates how other features of modular construction, such as ease of decommissioning and reusability, can add value to post- disaster reconstruction processes and organisations that contribute to the planning, design and construction stages of the reconstruction process. The suitability of modular construction will also be discussed in the context of the guidelines and best practice guides for post-disaster housing reconstruction published by international organisations. Through this analysis and discussion, it is concluded that prefabricated modular structures are a highly desirable time-efficient solu- tion to post-disaster housing reconstruction.
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ItemPerformance of prefabricated modular buildings against lateral loads: Poster presented at 2015 Infrastructure Engineering Postgraduate Conference, The University of Melbourne( 2015)Poster presented at 2015 Infrastructure Engineering Postgraduate Conference, The University of Melbourne
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ItemA framework for the integrated cost-benefit analysis of the use of recycled aggregate concrete in structural applications(The Architectural Science Association and The University of Melbourne, 2015)Recycled concrete waste in the form of recycled concrete aggregate (RCA) is presently used mostly as a road base filler replacing natural aggregate in Australia. However, instead of manufacturing Natural Aggregate Concrete (NAC) using Natural Aggregate (NA) as a constituent material to use in structural applications, there is potential to use RCA replacing NA to manufacture Recycled Aggregate Concrete (RAC). This paper presents a framework to estimate the costs and benefits of producing RAC, against producing NAC. The framework applies to the system boundary of production processes of RAC, NAC and the life cycle of their respective constituent materials. Cost-benefit assessment (CBA) is identified as an appropriate method to evaluate the internalised impacts as well as external costs concerning the use of both RAC and NAC. This paper proposes a framework to cover the primary impacts which are directly attributable to the RAC or the NAC, as well as the secondary impacts which results in the immediate boundary due to the proposed changes using CBA. The basic methodology for the evaluation of the above impacts considering technical, financial, environmental and social perspectives to obtain a comparable value is discussed in the paper.